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Merge pull request #77157 from tedyu/kubelet-node-addr-read

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Utilize read lock for getLastObservedNodeAddresses
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Kubernetes Prow Robot 2019-05-01 14:32:42 -07:00 committed by GitHub
commit d457a5d214
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2 changed files with 3 additions and 3 deletions
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2
pkg/kubelet/kubelet.go
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@ -901,7 +901,7 @@ type Kubelet struct {
iptClient utilipt.Interface
rootDirectory string
lastObservedNodeAddressesMux sync.Mutex
lastObservedNodeAddressesMux sync.RWMutex
lastObservedNodeAddresses []v1.NodeAddress
// onRepeatedHeartbeatFailure is called when a heartbeat operation fails more than once. optional.

4
pkg/kubelet/kubelet_node_status.go
View File

@ -510,8 +510,8 @@ func (kl *Kubelet) setLastObservedNodeAddresses(addresses []v1.NodeAddress) {
kl.lastObservedNodeAddresses = addresses
}
func (kl *Kubelet) getLastObservedNodeAddresses() []v1.NodeAddress {
kl.lastObservedNodeAddressesMux.Lock()
defer kl.lastObservedNodeAddressesMux.Unlock()
kl.lastObservedNodeAddressesMux.RLock()
defer kl.lastObservedNodeAddressesMux.RUnlock()
return kl.lastObservedNodeAddresses
}